ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,757, issued on Oct. 27, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Nonwoven abrasive wheel with moisture barrier layer" was invented by Laurie L. Poluha (Woodbury, Minn.), Jacob S. Beveridge (Lake Elmo, Minn.) and Dean S. Holmes (Elllsworth, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A nonwoven abrasive wheel includes a nonwoven abrasive body having opposed first and second major surfaces and a moisture barrier layer arranged on at least one of the first and second major surfaces. Methods of making are also described."
The patent was filed on April 2, 2020, under Application No. 16/838,578.
*For further information, ...